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来源: 于 2015-05-09 17:18:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

If your old B-2 I-94 has expired, it is possible USCIS will deny your F-1 status if you file it before your B-2 extension is approved. Also, I am not encourage you to change B-2 to F-1 within US because the VO does not like people to do that, and thus you may have trouble to get the F-1 visa in China if you visit China someday. So, you had better just go to China to get the F-1 visa to come back.